function resizeImgH($imgname, $height)
{
$img_src = ImageCreateFromjpeg($imgname);
$true_width = imagesx($img_src);
$true_height = imagesy($img_src);
$width = $height / $true_height * $true_width;
$img_des = ImageCreateTruecolor($width, $height);
imagecopyresampled($img_des, $img_src, 0, 0, 0, 0, $width, $height, $true_width, $true_height);
return $img_des;
}
private function resizeJpeg($newW, $newH, $oWidth, $oHeight, $fullPath)
{
// create a new canvas
$im = ImageCreateTruecolor($newW, $newH);
$baseImage = ImageCreateFromJpeg($this->imageName);
// if successful this returns as true - this is the actual resizing
if (imagecopyresampled($im, $baseImage, 0, 0, 0, 0, $newW, $newH, $oWidth, $oHeight)) {
// resizing is successful and saved to $fullPath
imageJpeg($im, $fullPath);
if (file_exists($fullPath)) {
$this->msg .= 'Resized file created<br />';
imagedestroy($im);
// don't really need this cos $im will disappear after function done
return true;
} else {
$this->msg .= 'Failure in resize jpeg<br />';
}
} else {
// resizing fails
$this->msg .= 'Unable to resize image<br />';
return false;
}
}
function imageZoom($srcFile, $dstW = '', $dstH = '', $url = '')
{
header("Content-type: image/jpeg");
$data = GetImageSize($srcFile, $info);
switch ($data[2]) {
case 1:
$im = @ImageCreateFromGIF($srcFile);
break;
case 2:
$im = @ImageCreateFromJPEG($srcFile);
break;
case 3:
$im = @ImageCreateFromPNG($srcFile);
break;
}
$srcW = ImageSX($im);
$srcH = ImageSY($im);
$newsize = $this->getZoomSize($srcW, $srcH, $dstW, $dstH);
$dstW = $newsize[0];
$dstH = $newsize[1];
if (function_exists("ImageCreateTruecolor")) {
$ni = ImageCreateTruecolor($dstW, $dstH);
} else {
$ni = ImageCreate($dstW, $dstH);
}
ImageCopyResized($ni, $im, 0, 0, 0, 0, $dstW, $dstH, $srcW, $srcH);
if ($url == "") {
imagejpeg($ni);
} else {
if (!imagejpeg($ni, $url)) {
return new sfException(lang::get("Was error!"));
}
}
ImageDestroy($ni);
ImageDestroy($im);
}
public static function rotateImage($thumbName, $size, $angle = 90, &$errorMsg)
{
$params = JComponentHelper::getParams('com_phocagallery');
$jfile_thumbs = $params->get('jfile_thumbs', 1);
$jpeg_quality = $params->get('jpeg_quality', 85);
$jpeg_quality = PhocaGalleryImage::getJpegQuality($jpeg_quality);
// Try to change the size
$memory = 8;
$memoryLimitChanged = 0;
$memory = (int) ini_get('memory_limit');
if ($memory == 0) {
$memory = 8;
}
$fileIn = $thumbName->abs;
$fileOut = $thumbName->abs;
if ($fileIn !== '' && file_exists($fileIn)) {
//array of width, height, IMAGETYPE, "height=x width=x" (string)
list($w, $h, $type) = GetImageSize($fileIn);
// we got the info from GetImageSize
if ($w > 0 && $h > 0 && $type != '') {
// Change the $w against $h because of rotating
$src = array(0, 0, $w, $h);
$dst = array(0, 0, $h, $w);
} else {
$errorMsg = 'ErrorWorHorType';
return false;
}
// Try to increase memory
if ($memory < 50) {
ini_set('memory_limit', '50M');
$memoryLimitChanged = 1;
}
switch ($type) {
case IMAGETYPE_JPEG:
if (!function_exists('ImageCreateFromJPEG')) {
$errorMsg = 'ErrorNoJPGFunction';
return false;
}
//$image1 = ImageCreateFromJPEG($fileIn);
try {
$image1 = ImageCreateFromJPEG($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorJPGFunction';
return false;
}
break;
case IMAGETYPE_PNG:
if (!function_exists('ImageCreateFromPNG')) {
$errorMsg = 'ErrorNoPNGFunction';
return false;
}
//$image1 = ImageCreateFromPNG($fileIn);
try {
$image1 = ImageCreateFromPNG($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorPNGFunction';
return false;
}
break;
case IMAGETYPE_GIF:
if (!function_exists('ImageCreateFromGIF')) {
$errorMsg = 'ErrorNoGIFFunction';
return false;
}
//$image1 = ImageCreateFromGIF($fileIn);
try {
$image1 = ImageCreateFromGIF($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorGIFFunction';
return false;
}
break;
case IMAGETYPE_WBMP:
if (!function_exists('ImageCreateFromWBMP')) {
$errorMsg = 'ErrorNoWBMPFunction';
return false;
}
//$image1 = ImageCreateFromWBMP($fileIn);
try {
$image1 = ImageCreateFromWBMP($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorWBMPFunction';
return false;
}
break;
default:
$errorMsg = 'ErrorNotSupportedImage';
return false;
break;
}
if ($image1) {
// Building image for ROTATING
/* $image2 = @ImageCreateTruecolor($dst[2], $dst[3]);
if (!$image2) {
return 'ErrorNoImageCreateTruecolor';
}*/
/* if(!function_exists("imagerotate")) {
$errorMsg = 'ErrorNoImageRotate';
return false;
}*/
switch ($type) {
case IMAGETYPE_PNG:
// imagealphablending($image1, false);
// imagesavealpha($image1, true);
if (!function_exists("imagecolorallocate")) {
$errorMsg = 'ErrorNoImageColorAllocate';
return false;
}
if (!function_exists("imagefill")) {
$errorMsg = 'ErrorNoImageFill';
return false;
}
if (!function_exists("imagecolortransparent")) {
$errorMsg = 'ErrorNoImageColorTransparent';
return false;
}
$colBlack = imagecolorallocate($image1, 0, 0, 0);
if (!function_exists("imagerotate")) {
$image2 = PhocaGalleryImageRotate::imageRotate($image1, $angle, $colBlack);
} else {
$image2 = imagerotate($image1, $angle, $colBlack);
}
imagefill($image2, 0, 0, $colBlack);
imagecolortransparent($image2, $colBlack);
break;
default:
if (!function_exists("imagerotate")) {
$image2 = PhocaGalleryImageRotate::imageRotate($image1, $angle, 0);
} else {
$image2 = imageRotate($image1, $angle, 0);
}
break;
}
// Get the image size and resize the rotated image if necessary
$rotateWidth = imagesx($image2);
// Get the size from rotated image
$rotateHeight = imagesy($image2);
// Get the size from rotated image
$parameterSize = PhocaGalleryFileThumbnail::getThumbnailResize($size);
$newWidth = $parameterSize['width'];
// Get maximum sizes, they can be displayed
$newHeight = $parameterSize['height'];
// Get maximum sizes, they can be displayed
$scale = $newWidth / $rotateWidth < $newHeight / $rotateHeight ? $newWidth / $rotateWidth : $newHeight / $rotateHeight;
// smaller rate
$src = array(0, 0, $rotateWidth, $rotateHeight);
$dst = array(0, 0, floor($rotateWidth * $scale), floor($rotateHeight * $scale));
// If original is smaller than thumbnail size, don't resize it
if ($src[2] > $dst[2] || $src[3] > $dst[3]) {
// Building image for RESIZING THE ROTATED IMAGE
$image3 = @ImageCreateTruecolor($dst[2], $dst[3]);
if (!$image3) {
$errorMsg = 'ErrorNoImageCreateTruecolor';
return false;
}
ImageCopyResampled($image3, $image2, $dst[0], $dst[1], $src[0], $src[1], $dst[2], $dst[3], $src[2], $src[3]);
switch ($type) {
case IMAGETYPE_PNG:
// imagealphablending($image2, true);
// imagesavealpha($image2, true);
if (!function_exists("imagecolorallocate")) {
$errorMsg = 'ErrorNoImageColorAllocate';
return false;
}
if (!function_exists("imagefill")) {
$errorMsg = 'ErrorNoImageFill';
return false;
}
if (!function_exists("imagecolortransparent")) {
$errorMsg = 'ErrorNoImageColorTransparent';
return false;
}
$colBlack = imagecolorallocate($image3, 0, 0, 0);
imagefill($image3, 0, 0, $colBlack);
imagecolortransparent($image3, $colBlack);
break;
}
} else {
$image3 = $image2;
}
switch ($type) {
case IMAGETYPE_JPEG:
if (!function_exists('ImageJPEG')) {
$errorMsg = 'ErrorNoJPGFunction';
return false;
}
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImageJPEG($image3, NULL, $jpeg_quality)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgJPEGToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgJPEGToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImageJPEG($image3, $fileOut, $jpeg_quality)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
case IMAGETYPE_PNG:
if (!function_exists('ImagePNG')) {
$errorMsg = 'ErrorNoPNGFunction';
return false;
}
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImagePNG($image3, NULL)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgPNGToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgPNGToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImagePNG($image3, $fileOut)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
case IMAGETYPE_GIF:
if (!function_exists('ImageGIF')) {
$errorMsg = 'ErrorNoGIFFunction';
return false;
}
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImageGIF($image3, NULL)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgGIFToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgGIFToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImageGIF($image3, $fileOut)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
default:
$errorMsg = 'ErrorNotSupportedImage';
return false;
break;
}
// free memory
ImageDestroy($image1);
// Original
ImageDestroy($image2);
// Rotated
ImageDestroy($image3);
// Resized
if ($memoryLimitChanged == 1) {
$memoryString = $memory . 'M';
ini_set('memory_limit', $memoryString);
}
return true;
// Success
} else {
$errorMsg = PhocaGalleryUtils::setMessage($errorMsg, JText::_('COM_PHOCAGALLERY_ERROR_IMAGE_NOT_PROCESS'));
return false;
}
if ($memoryLimitChanged == 1) {
$memoryString = $memory . 'M';
ini_set('memory_limit', $memoryString);
}
}
$errorMsg = JText::_('COM_PHOCAGALLERY_FILEORIGINAL_NOT_EXISTS');
return false;
}
function cut($newX, $newY, $srcX = 0, $srcY = 0)
{
if ($this->img) {
$X = ImageSX($this->img);
$Y = ImageSY($this->img);
$newX = $this->_convert($newX, $X);
$newY = $this->_convert($newY, $Y);
if (!$newX) {
$newX = $X;
}
if (!$newY) {
$newY = $Y;
}
if (!($newimg = ImageCreateTruecolor($X, $Y))) {
$newimg = ImageCreate($X, $Y);
}
ImageCopy($newimg, $this->img, 0, 0, 0, 0, $X, $Y);
ImageDestroy($this->img);
if (!($this->img = ImageCreateTruecolor($newX, $newY))) {
$this->img = ImageCreate($newX, $newY);
}
imagecopy($this->img, $newimg, 0, 0, $srcX, $srcY, $newX, $newY);
ImageDestroy($newimg);
return true;
} else {
return false;
}
}
/**
* Converts an image to another type
* @param string $filetype JPG, PNG, GIF
* @param array $bgcolor for converting PNG whith transparency to JPG
* @return \ImageManipulationWithGd\Imwg
*/
public function convert($filetype = null, $bgcolor = array(255, 255, 255))
{
switch ($filetype) {
case "JPG":
if (static::$file_info['type'] == "PNG") {
// Fill png transparency with $bgcolor
$tempImage = ImageCreateTruecolor(static::$file_info['width'], static::$file_info['height']);
$col = imagecolorallocate($tempImage, $bgcolor[0], $bgcolor[1], $bgcolor[2]);
imagefill($tempImage, 0, 0, $col);
ImageCopyResampled($tempImage, static::$image_resource, 0, 0, 0, 0, static::$file_info['width'], static::$file_info['height'], static::$file_info['width'], static::$file_info['height']);
ImageDestroy(static::$image_resource);
static::$image_resource = $tempImage;
static::$image_quality = 92;
}
static::$file_info['type'] = "JPG";
static::$file_info['mime'] = "image/jpg";
break;
case "PNG":
static::$file_info['type'] = "PNG";
static::$file_info['mime'] = "image/png";
static::$image_quality = 0;
break;
case "GIF":
static::$file_info['type'] = "GIF";
static::$file_info['mime'] = "image/gif";
break;
default:
// nothing
break;
}
return $this;
}
/**
* need GD library (first PHP line WIN: dl("php_gd.dll"); UNIX: dl("gd.so");
* www.boutell.com/gd/
* interval.cz/clanky/php-skript-pro-generovani-galerie-obrazku-2/
* cz.php.net/imagecopyresampled
* www.linuxsoft.cz/sw_detail.php?id_item=871
* www.webtip.cz/art/wt_tech_php/liquid_ir.html
* php.vrana.cz/zmensovani-obrazku.php
* diskuse.jakpsatweb.cz/
*
* @param string $fileIn Vstupni soubor (mel by existovat)
* @param string $fileOut Vystupni soubor, null ho jenom zobrazi (taky kdyz nema pravo se zapsat :)
* @param int $width Vysledna sirka (maximalni)
* @param int $height Vysledna vyska (maximalni)
* @param bool $crop Orez (true, obrazek bude presne tak velky), jinak jenom Resample (udane maximalni rozmery)
* @param int $typeOut IMAGETYPE_type vystupniho obrazku
* @return bool Chyba kdyz vrati false
*/
public static function imageMagic($fileIn, $fileOut = null, $width = null, $height = null, $crop = null, $typeOut = null, $watermarkParams = array(), $frontUpload = 0, &$errorMsg)
{
$params = JComponentHelper::getParams('com_phocagallery');
$jfile_thumbs = $params->get('jfile_thumbs', 1);
$jpeg_quality = $params->get('jpeg_quality', 85);
$jpeg_quality = PhocaGalleryImage::getJpegQuality($jpeg_quality);
$fileWatermark = '';
// While front upload we don't display the process page
if ($frontUpload == 0) {
$stopText = PhocaGalleryRenderProcess::displayStopThumbnailsCreating('processpage');
echo $stopText;
}
// Memory - - - - - - - -
$memory = 8;
$memoryLimitChanged = 0;
$memory = (int) ini_get('memory_limit');
if ($memory == 0) {
$memory = 8;
}
// - - - - - - - - - - -
if ($fileIn !== '' && JFile::exists($fileIn)) {
// array of width, height, IMAGETYPE, "height=x width=x" (string)
list($w, $h, $type) = GetImageSize($fileIn);
if ($w > 0 && $h > 0) {
// we got the info from GetImageSize
// size of the image
if ($width == null || $width == 0) {
// no width added
$width = $w;
} else {
if ($height == null || $height == 0) {
// no height, adding the same as width
$height = $width;
}
}
if ($height == null || $height == 0) {
// no height, no width
$height = $h;
}
// miniaturizing
if (!$crop) {
// new size - nw, nh (new width/height)
$scale = $width / $w < $height / $h ? $width / $w : $height / $h;
// smaller rate
$src = array(0, 0, $w, $h);
$dst = array(0, 0, floor($w * $scale), floor($h * $scale));
} else {
// will be cropped
$scale = $width / $w > $height / $h ? $width / $w : $height / $h;
// greater rate
$newW = $width / $scale;
// check the size of in file
$newH = $height / $scale;
// which side is larger (rounding error)
if ($w - $newW > $h - $newH) {
$src = array(floor(($w - $newW) / 2), 0, floor($newW), $h);
} else {
$src = array(0, floor(($h - $newH) / 2), $w, floor($newH));
}
$dst = array(0, 0, floor($width), floor($height));
}
// Watermark - - - - - - - - - - -
if (!empty($watermarkParams) && ($watermarkParams['create'] == 1 || $watermarkParams['create'] == 2)) {
$thumbnailSmall = false;
$thumbnailMedium = false;
$thumbnailLarge = false;
$thumbnailMedium = preg_match("/phoca_thumb_m_/i", $fileOut);
$thumbnailLarge = preg_match("/phoca_thumb_l_/i", $fileOut);
$path = PhocaGalleryPath::getPath();
$fileName = PhocaGalleryFile::getTitleFromFile($fileIn, 1);
// Which Watermark will be used
// If watermark is in current directory use it else use Default
$fileWatermarkMedium = str_replace($fileName, 'watermark-medium.png', $fileIn);
$fileWatermarkLarge = str_replace($fileName, 'watermark-large.png', $fileIn);
clearstatcache();
// Which Watermark will be used
if ($thumbnailMedium) {
if (JFile::exists($fileWatermarkMedium)) {
$fileWatermark = $fileWatermarkMedium;
} else {
if ($watermarkParams['create'] == 2) {
$fileWatermark = $path->image_abs . 'watermark-medium.png';
} else {
$fileWatermark = '';
}
}
} else {
if ($thumbnailLarge) {
if (JFile::exists($fileWatermarkLarge)) {
$fileWatermark = $fileWatermarkLarge;
} else {
if ($watermarkParams['create'] == 2) {
$fileWatermark = $path->image_abs . 'watermark-large.png';
} else {
$fileWatermark = '';
}
}
} else {
$fileWatermark = '';
}
}
if (!JFile::exists($fileWatermark)) {
$fileWatermark = '';
}
if ($fileWatermark != '') {
list($wW, $hW, $typeW) = GetImageSize($fileWatermark);
switch ($watermarkParams['x']) {
case 'left':
$locationX = 0;
break;
case 'right':
$locationX = $dst[2] - $wW;
break;
case 'center':
default:
$locationX = $dst[2] / 2 - $wW / 2;
break;
}
switch ($watermarkParams['y']) {
case 'top':
$locationY = 0;
break;
case 'bottom':
$locationY = $dst[3] - $hW;
break;
case 'middle':
default:
$locationY = $dst[3] / 2 - $hW / 2;
break;
}
}
} else {
$fileWatermark = '';
}
}
if ($memory < 50) {
ini_set('memory_limit', '50M');
$memoryLimitChanged = 1;
}
// Resampling
// in file
// Watemark
if ($fileWatermark != '') {
if (!function_exists('ImageCreateFromPNG')) {
$errorMsg = 'ErrorNoPNGFunction';
return false;
}
$waterImage1 = ImageCreateFromPNG($fileWatermark);
}
// End Watermark - - - - - - - - - - - - - - - - - -
switch ($type) {
case IMAGETYPE_JPEG:
if (!function_exists('ImageCreateFromJPEG')) {
$errorMsg = 'ErrorNoJPGFunction';
return false;
}
//$image1 = ImageCreateFromJPEG($fileIn);
try {
$image1 = ImageCreateFromJPEG($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorJPGFunction';
return false;
}
break;
case IMAGETYPE_PNG:
if (!function_exists('ImageCreateFromPNG')) {
$errorMsg = 'ErrorNoPNGFunction';
return false;
}
//$image1 = ImageCreateFromPNG($fileIn);
try {
$image1 = ImageCreateFromPNG($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorPNGFunction';
return false;
}
break;
case IMAGETYPE_GIF:
if (!function_exists('ImageCreateFromGIF')) {
$errorMsg = 'ErrorNoGIFFunction';
return false;
}
//$image1 = ImageCreateFromGIF($fileIn);
try {
$image1 = ImageCreateFromGIF($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorGIFFunction';
return false;
}
break;
case IMAGETYPE_WBMP:
if (!function_exists('ImageCreateFromWBMP')) {
$errorMsg = 'ErrorNoWBMPFunction';
return false;
}
//$image1 = ImageCreateFromWBMP($fileIn);
try {
$image1 = ImageCreateFromWBMP($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorWBMPFunction';
return false;
}
break;
default:
$errorMsg = 'ErrorNotSupportedImage';
return false;
break;
}
if ($image1) {
$image2 = @ImageCreateTruecolor($dst[2], $dst[3]);
if (!$image2) {
$errorMsg = 'ErrorNoImageCreateTruecolor';
return false;
}
switch ($type) {
case IMAGETYPE_PNG:
//imagealphablending($image1, false);
@imagealphablending($image2, false);
//imagesavealpha($image1, true);
@imagesavealpha($image2, true);
break;
}
ImageCopyResampled($image2, $image1, $dst[0], $dst[1], $src[0], $src[1], $dst[2], $dst[3], $src[2], $src[3]);
// Watermark - - - - - -
if ($fileWatermark != '') {
ImageCopy($image2, $waterImage1, $locationX, $locationY, 0, 0, $wW, $hW);
}
// End Watermark - - - -
// Display the Image - not used
if ($fileOut == null) {
header("Content-type: " . image_type_to_mime_type($typeOut));
}
// Create the file
if ($typeOut == null) {
// no bitmap
$typeOut = $type == IMAGETYPE_WBMP ? IMAGETYPE_PNG : $type;
}
switch ($typeOut) {
case IMAGETYPE_JPEG:
if (!function_exists('ImageJPEG')) {
$errorMsg = 'ErrorNoJPGFunction';
return false;
}
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImageJPEG($image2, NULL, $jpeg_quality)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgJPEGToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgJPEGToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImageJPEG($image2, $fileOut, $jpeg_quality)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
case IMAGETYPE_PNG:
if (!function_exists('ImagePNG')) {
$errorMsg = 'ErrorNoPNGFunction';
return false;
}
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImagePNG($image2, NULL)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgPNGToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgPNGToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImagePNG($image2, $fileOut)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
case IMAGETYPE_GIF:
if (!function_exists('ImageGIF')) {
$errorMsg = 'ErrorNoGIFFunction';
return false;
}
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImageGIF($image2, NULL)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgGIFToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgGIFToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImageGIF($image2, $fileOut)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
default:
$errorMsg = 'ErrorNotSupportedImage';
return false;
break;
}
// free memory
ImageDestroy($image1);
ImageDestroy($image2);
if (isset($waterImage1)) {
ImageDestroy($waterImage1);
}
if ($memoryLimitChanged == 1) {
$memoryString = $memory . 'M';
ini_set('memory_limit', $memoryString);
}
$errorMsg = '';
// Success
return true;
} else {
$errorMsg = 'Error1';
return false;
}
if ($memoryLimitChanged == 1) {
$memoryString = $memory . 'M';
ini_set('memory_limit', $memoryString);
}
}
$errorMsg = 'Error2';
return false;
}
<?php
$im = ImageCreateTruecolor(400, 300);
ImageFilledRectangle($im, 0, 0, 399, 299, 0xffffff);
ImageFilledEllipse($im, 200, 150, 300, 300, 0x0);
ImageAlphaBlending($im, true);
ImageFilledRectangle($im, 100, 0, 400, 100, 0x60ff1111);
ImageFilledRectangle($im, 100, 100, 400, 200, 0x30ff1111);
ImageFilledRectangle($im, 100, 200, 400, 300, 0x10ff1111);
Header('Content-Type: image/png');
ImagePNG($im);
function create_captcha($data = '', $img_path = '', $img_url = '', $font_path = '')
{
/**
* Function to create a random color
* Note: We aren't using this outside this function so we will sit it inside
* @auteur mastercode.nl
* @param $type string Mode for the color
* @return int
**/
function color($type)
{
switch ($type) {
case "bg":
$color = rand(224, 255);
break;
case "text":
$color = rand(0, 127);
break;
case "grid":
$color = rand(200, 224);
break;
default:
$color = rand(0, 255);
break;
}
return $color;
}
$defaults = array('word' => '', 'img_path' => '', 'img_url' => '', 'img_width' => '150', 'img_height' => '30', 'font_size' => '', 'font_path' => '', 'show_grid' => true, 'skew' => true, 'expiration' => 7200);
foreach ($defaults as $key => $val) {
if (!is_array($data)) {
if (!isset(${$key}) or ${$key} == '') {
${$key} = $val;
}
} else {
${$key} = !isset($data[$key]) ? $val : $data[$key];
}
}
if ($img_path == '' or $img_url == '') {
return FALSE;
}
if (!@is_dir($img_path)) {
return FALSE;
}
if (!is_really_writable($img_path)) {
return FALSE;
}
if (!extension_loaded('gd')) {
return FALSE;
}
// -----------------------------------
// Select random Font from folder
// -----------------------------------
if (is_dir($font_path)) {
$handle = opendir($font_path);
while (($file = @readdir($handle)) !== false) {
if (!in_array($file, array('.', '..')) && substr($file, strlen($file) - 4, 4) == '.ttf') {
$fonts[] = $file;
}
}
$font_file = $font_path . DIRECTORY_SEPARATOR . $fonts[array_rand($fonts)];
} else {
$font_file = $font_path;
}
// -----------------------------------
// Remove old images
// -----------------------------------
list($usec, $sec) = explode(" ", microtime());
$now = (double) $usec + (double) $sec;
$current_dir = @opendir($img_path);
while ($filename = @readdir($current_dir)) {
if ($filename != "." and $filename != ".." and $filename != "index.html") {
$name = str_replace(".png", "", $filename);
if ($name + $expiration < $now) {
@unlink($img_path . $filename);
}
}
}
@closedir($current_dir);
// -----------------------------------
// Do we have a "word" yet?
// -----------------------------------
if ($word == '') {
// No Zero (for user clarity);
$pool = '123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$str = '';
for ($i = 0; $i < 6; $i++) {
$str .= substr($pool, mt_rand(0, strlen($pool) - 1), 1);
}
$word = strtoupper($str);
}
// -----------------------------------
// Length of Word
// -----------------------------------
$length = strlen($word);
// -----------------------------------
// Create image
// -----------------------------------
$im = ImageCreateTruecolor($img_width, $img_height);
// -----------------------------------
// Assign colors
// -----------------------------------
$bg_color = imagecolorallocate($im, color('bg'), color('bg'), color('bg'));
$border_color = imagecolorallocate($im, 153, 102, 102);
$text_color = imagecolorallocate($im, color('text'), color('text'), color('text'));
$grid_color[] = imagecolorallocate($im, color('grid'), color('grid'), color('grid'));
$grid_color[] = $grid_color[0] + 150;
$grid_color[] = $grid_color[0] + 180;
$grid_color[] = $grid_color[0] + 210;
$shadow_color = imagecolorallocate($im, 255, 240, 240);
// -----------------------------------
// Create the rectangle
// -----------------------------------
ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $bg_color);
if ($show_grid == TRUE) {
// X grid
$grid = rand(20, 25);
for ($x = 0; $x < $img_width; $x += mt_rand($grid - 2, $grid + 2)) {
$current_colour = $grid_color[array_rand($grid_color)];
imagedashedline($im, mt_rand($x - 3, $x + 3), mt_rand(0, 4), mt_rand($x - 3, $x + 3), mt_rand($img_height - 5, $img_height), $current_colour);
}
// Y grid
for ($y = 0; $y < $img_height; $y += mt_rand($grid - 2, $grid + 2)) {
$current_colour = $grid_color[array_rand($grid_color)];
imageline($im, mt_rand(0, 4), mt_rand($y - 3, $y), mt_rand($img_width - 5, $img_width), mt_rand($y - 3, $y), $current_colour);
}
}
// -----------------------------------
// Write the text
// -----------------------------------
$use_font = ($font_file != '' and file_exists($font_file) and function_exists('imagettftext')) ? TRUE : FALSE;
if ($use_font == FALSE) {
$font_size = 5;
$x = rand(2, $img_width / ($length / 3));
// y isnt used here
} else {
// Make font proportional to the image size
$font_size = !empty($font_size) ? $font_size : mt_rand(18, 25);
$x = rand(4, $img_width - ($font_size + ($font_size >> 1)) * $length);
// y isnt used here
}
for ($i = 0; $i < strlen($word); $i++) {
if ($use_font == FALSE) {
$y = rand(0, $img_height / 2);
imagestring($im, $font_size, $x, $y, substr($word, $i, 1), $text_color);
$x += $font_size * 2;
} else {
$letter = substr($word, $i, 1);
$less_rotate = array('c', 'N', 'U', 'Z', '7', '6', '9');
//letters that we don't want rotated too much...
$angle = $skew == TRUE ? in_array($letter, $less_rotate) ? rand(-5, 5) : rand(-15, 15) : 0;
$y = $img_height / 2 + ($font_size >> 1) + ($skew == TRUE ? rand(-9, 9) : 0);
$x += $font_size >> 2;
imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_file, $letter);
$x += $font_size + ($font_size >> 2);
}
}
// -----------------------------------
// Create the border
// -----------------------------------
imagerectangle($im, 0, 0, $img_width - 1, $img_height - 1, $border_color);
// -----------------------------------
// Generate the image
// -----------------------------------
$img_name = $now . '.png';
ImagePNG($im, $img_path . $img_name);
$img = "<img src=\"{$img_url}{$img_name}\" width=\"{$img_width}\" height=\"{$img_height}\" style=\"border:0;\" alt=\" \" />";
ImageDestroy($im);
return array('word' => $word, 'time' => $now, 'image' => $img);
}
function resize_on_the_fly($data, $width = 160)
{
$image = imagecreatefromstring($data);
$true_width = imagesx($image);
$true_height = imagesy($image);
$height = $true_height * $width / $true_width;
$img_des = ImageCreateTruecolor($width, $height);
imagecopyresampled($img_des, $image, 0, 0, 0, 0, $width, $height, $true_width, $true_height);
debug(__FILE__ . "**** IMAGE RESAMPLING ****: {$width}, {$height}", "green");
return imagejpeg($img_des);
}
function make_transparent()
{
$info = GetImageSize($this->source_image);
$width = $info[0];
$height = $info[1];
$mime = $info['mime'];
// What sort of image?
$type = substr(strrchr($mime, '/'), 1);
switch ($type) {
case 'jpeg':
$image_create_func = 'ImageCreateFromJPEG';
$image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
break;
case 'png':
$image_create_func = 'ImageCreateFromPNG';
$image_save_func = 'ImagePNG';
$new_image_ext = 'png';
break;
case 'bmp':
$image_create_func = 'ImageCreateFromBMP';
$image_save_func = 'ImageBMP';
$new_image_ext = 'bmp';
break;
case 'gif':
$image_create_func = 'ImageCreateFromGIF';
$image_save_func = 'ImageGIF';
$new_image_ext = 'gif';
break;
case 'vnd.wap.wbmp':
$image_create_func = 'ImageCreateFromWBMP';
$image_save_func = 'ImageWBMP';
$new_image_ext = 'bmp';
break;
case 'xbm':
$image_create_func = 'ImageCreateFromXBM';
$image_save_func = 'ImageXBM';
$new_image_ext = 'xbm';
break;
default:
$image_create_func = 'ImageCreateFromJPEG';
$image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
}
// Source Image
$image = $image_create_func($this->source_image);
$new_image = ImageCreateTruecolor($width, $height);
// Set a White & Transparent Background Color
$bg = ImageColorAllocateAlpha($new_image, 255, 255, 255, 127);
// (PHP 4 >= 4.3.2, PHP 5)
ImageFill($new_image, 0, 0, $bg);
// Copy and merge
ImageCopyMerge($new_image, $image, 0, 0, 0, 0, $width, $height, $this->pct);
if ($this->save_to_folder) {
if ($this->new_image_name) {
$new_name = $this->new_image_name . '.' . $new_image_ext;
} else {
$new_name = $this->new_image_name(basename($this->source_image)) . '_transparent' . '.' . $new_image_ext;
}
$save_path = $this->save_to_folder . $new_name;
} else {
/* Show the image without saving it to a folder */
header("Content-Type: " . $mime);
$image_save_func($new_image);
$save_path = '';
}
// Save image
$process = $image_save_func($new_image, $save_path) or die("There was a problem in saving the new file.");
return array('result' => $process, 'new_file_path' => $save_path);
}
function makeImageTransparent($InFile, $OutFile, $tranparentPercent = 50)
{
$info = GetImageSize($InFile);
$width = $info[0];
$height = $info[1];
$mime = $info['mime'];
// What sort of image?
$type = substr(strrchr($mime, '/'), 1);
switch ($type) {
case 'jpeg':
$image_create_func = 'ImageCreateFromJPEG';
$image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
break;
case 'png':
$image_create_func = 'ImageCreateFromPNG';
$image_save_func = 'ImagePNG';
$new_image_ext = 'png';
break;
case 'bmp':
$image_create_func = 'ImageCreateFromBMP';
$image_save_func = 'ImageBMP';
$new_image_ext = 'bmp';
break;
case 'gif':
$image_create_func = 'ImageCreateFromGIF';
$image_save_func = 'ImageGIF';
$new_image_ext = 'gif';
break;
case 'vnd.wap.wbmp':
$image_create_func = 'ImageCreateFromWBMP';
$image_save_func = 'ImageWBMP';
$new_image_ext = 'bmp';
break;
case 'xbm':
$image_create_func = 'ImageCreateFromXBM';
$image_save_func = 'ImageXBM';
$new_image_ext = 'xbm';
break;
default:
$image_create_func = 'ImageCreateFromJPEG';
$image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
}
// Source Image
$image = $image_create_func($InFile);
$new_image = ImageCreateTruecolor($width, $height);
// Set a White & Transparent Background Color
$bg = ImageColorAllocateAlpha($new_image, 255, 255, 255, 127);
// (PHP 4 >= 4.3.2, PHP 5)
ImageFill($new_image, 0, 0, $bg);
// Copy and merge
ImageCopyMerge($new_image, $image, 0, 0, 0, 0, $width, $height, $tranparentPercent);
// Save image
$image_save_func($new_image, $OutFile) or die("There was a problem in saving the new file.");
imagedestroy($new_image);
}
<?php
$im = ImageCreateTruecolor(720, 180);
ImageAlphaBlending($im, $blend);
ImageFilledRectangle($im, 0, 0, 719, 179, 0xffffff);
ImageTTFText($im, 80, 0, 10, 135, 0x0, "Garabd", "ABCdef123");
Header('Content-Type: image/png');
ImagePNG($im);
}
for ($y = 0; $y < $height; $y++) {
for ($x = $width - 1; $x > $right; $x--) {
$rgb = imagecolorat($im, $x, $y);
$colors = imagecolorsforindex($im, $rgb);
if (($colors['red'] < 224 || $colors['green'] < 224 || $colors['blue'] < 224) && $colors['alpha'] < 64) {
if ($x > $right) {
$right = $x;
break;
}
}
}
}
$nheight = $bottom - $top + 2;
$nwidth = $right - $left + 2;
$dest = ImageCreateTruecolor($nwidth, $nheight);
ImageAlphaBlending($dest, false);
//这里很重要,意思是不合并颜色,直接用$img图像颜色替换,包括透明色;
ImageSaveAlpha($dest, true);
//这里很重要,意思是不要丢了$thumb图像的透明色;
//$white = ImageColorAllocate($dest, 255, 255, 255);
//ImageFill($dest, 0, 0, $white);
//ImageColorTransparent($dest, $white);
ImageCopy($dest, $im, 0, 0, $left - 1, $top - 1, $nwidth, $nheight);
ImageDestroy($im);
}
if ($_GET["margin"]) {
$margin = $_GET["margin"];
} elseif ($_GET["nocrop"]) {
$margin = 0;
} else {
public function execute($inputImagePath)
{
// 前処理
$filestat = @stat($inputImagePath);
$imagesize = getimagesize($inputImagePath);
$inputImageWidth = $imagesize[0];
$inputImageHeight = $imagesize[1];
$inputImageType = $imagesize[2];
// 今回実行用の一時変数をセット
$output_image_width = $this->outputImageWidth;
$output_image_height = is_null($this->outputImageHeight) ? $inputImageHeight * ($output_image_width / $inputImageWidth) : $this->outputImageHeight;
// GIF 画像は縮小後も GIF 画像で出力する。旧機種対応などで、機種用の画像形式に変換したい場合、expr3 に固定する。
$output_image_type = $inputImageType == IMAGETYPE_GIF ? 'gif' : $this->outputImageType;
$outputImageName = sha1($inputImagePath . '_' . $this->outputImageWidth . '_' . $this->outputFileSize . '_' . $filestat['mtime']) . '.' . $output_image_type;
$outputImagePath = $this->outputImageDir . '/' . $outputImageName;
if ($inputImageWidth <= $output_image_width) {
if ($inputImageHeight <= $output_image_height) {
$output_image_width = $inputImageWidth;
$output_image_height = $inputImageHeight;
} else {
$output_image_width = $inputImageWidth * ($output_image_height / $inputImageHeight);
}
} else {
if ($inputImageHeight <= $output_image_height) {
$output_image_height = $inputImageHeight * ($output_image_width / $inputImageWidth);
} else {
if ($output_image_width / $inputImageWidth < $output_image_height / $inputImageHeight) {
$output_image_height = $inputImageHeight * ($output_image_width / $inputImageWidth);
} else {
$output_image_width = $inputImageWidth * ($output_image_height / $inputImageHeight);
}
}
}
// ファイルが存在するか確認し、存在しない場合のみ作成する
if (file_exists($outputImagePath)) {
$info['convert'] = FALSE;
} else {
// 元ファイル作成
switch ($inputImageType) {
case IMAGETYPE_GIF:
$tempImage = imagecreatefromgif($inputImagePath);
$arrTransparentColor = $this->getTransparentColor($tempImage);
if (!empty($arrTransparentColor)) {
imagecolortransparent($tempImage, $arrTransparentColor);
}
break;
case IMAGETYPE_JPEG:
$tempImage = imagecreatefromjpeg($inputImagePath);
break;
case IMAGETYPE_PNG:
$tempImage = imagecreatefrompng($inputImagePath);
break;
case IMAGETYPE_WBMP:
$tempImage = imagecreatefromwbmp($inputImagePath);
break;
}
if (!$tempImage) {
return false;
}
$scale = 1.0;
$outputImagePathTemp = $outputImagePath . '.tmp-' . rand();
do {
// 空ファイル作成
if ($output_image_type == 'gif') {
// 縮小時のノイズ防止のためインデックスカラーで処理する。特に透過色を扱う上で重要。
$outputImage = ImageCreate($output_image_width * $scale, $output_image_height * $scale);
} else {
$outputImage = ImageCreateTruecolor($output_image_width * $scale, $output_image_height * $scale);
}
ImageCopyResampled($outputImage, $tempImage, 0, 0, 0, 0, $output_image_width * $scale, $output_image_height * $scale, $inputImageWidth, $inputImageHeight);
// ファイル出力
@unlink($outputImagePathTemp);
switch ($output_image_type) {
case 'gif':
if (!empty($arrTransparentColor)) {
$transparent_color_id = imagecolorexact($outputImage, $arrTransparentColor['red'], $arrTransparentColor['green'], $arrTransparentColor['blue']);
imagecolortransparent($outputImage, $transparent_color_id);
}
imagegif($outputImage, $outputImagePathTemp);
break;
case 'jpg':
$quality = 75;
// 表示可能なファイルサイズ以下になるまで、10%ずつクオリティを調整する
do {
@unlink($outputImagePathTemp);
imagejpeg($outputImage, $outputImagePathTemp, $quality);
$quality -= 10;
clearstatcache();
} while (filesize($outputImagePathTemp) > $this->outputFileSize && $quality > 0);
break;
case 'png':
imagepng($outputImage, $outputImagePathTemp);
break;
case 'bmp':
imagewbmp($outputImage, $outputImagePathTemp);
break;
default:
GC_Utils_Ex::gfPrintLog('不正な画像タイプ: ');
break;
}
// メモリ開放
imagedestroy($outputImage);
$scale -= 0.1;
clearstatcache();
} while (filesize($outputImagePathTemp) > $this->outputFileSize && $scale >= 0.5);
rename($outputImagePathTemp, $outputImagePath);
// メモリ開放
imagedestroy($tempImage);
$info['convert'] = TRUE;
}
$info['outputImagePath'] = $outputImagePath;
$info['outputImageName'] = $outputImageName;
return $info;
}
/**
* need GD library (first PHP line WIN: dl("php_gd.dll"); UNIX: dl("gd.so");
* www.boutell.com/gd/
* interval.cz/clanky/php-skript-pro-generovani-galerie-obrazku-2/
* cz.php.net/imagecopyresampled
* www.linuxsoft.cz/sw_detail.php?id_item=871
* www.webtip.cz/art/wt_tech_php/liquid_ir.html
* php.vrana.cz/zmensovani-obrazku.php
* diskuse.jakpsatweb.cz/
*
* @param string $file_in Vstupni soubor (mel by existovat)
* @param string $file_out Vystupni soubor, null ho jenom zobrazi (taky kdyz nema pravo se zapsat :)
* @param int $width Vysledna sirka (maximalni)
* @param int $height Vysledna vyska (maximalni)
* @param bool $crop Orez (true, obrazek bude presne tak velky), jinak jenom Resample (udane maximalni rozmery)
* @param int $type_out IMAGETYPE_type vystupniho obrazku
* @return bool Chyba kdyz vrati false
*/
function imageMagic($file_in, $file_out = null, $width = null, $height = null, $crop = null, $type_out = null, $watermarkParams = array(), $frontUpload = 0)
{
$fileWatermark = '';
// While front upload we don't display the process page
if ($frontUpload == 0) {
$stopText = PhocaGalleryHelper::displayStopThumbnailsCreating();
echo $stopText;
}
$memory = 8;
$memoryLimitChanged = 0;
$memory = (int) ini_get('memory_limit');
if ($memory == 0) {
$memory = 8;
}
if ($file_in !== '' && file_exists($file_in)) {
//array of width, height, IMAGETYPE, "height=x width=x" (string)
list($w, $h, $type) = GetImageSize($file_in);
if ($w > 0 && $h > 0) {
// we got the info from GetImageSize
// size of the image
if ($width == null || $width == 0) {
// no width added
$width = $w;
} else {
if ($height == null || $height == 0) {
// no height, adding the same as width
$height = $width;
}
}
if ($height == null || $height == 0) {
// no height, no width
$height = $h;
}
// miniaturizing
if (!$crop) {
// new size - nw, nh (new width/height)
$scale = $width / $w < $height / $h ? $width / $w : $height / $h;
// smaller rate
$src = array(0, 0, $w, $h);
$dst = array(0, 0, floor($w * $scale), floor($h * $scale));
} else {
// will be cropped
$scale = $width / $w > $height / $h ? $width / $w : $height / $h;
// greater rate
$newW = $width / $scale;
// check the size of in file
$newH = $height / $scale;
// which side is larger (rounding error)
if ($w - $newW > $h - $newH) {
$src = array(floor(($w - $newW) / 2), 0, floor($newW), $h);
} else {
$src = array(0, floor(($h - $newH) / 2), $w, floor($newH));
}
$dst = array(0, 0, floor($width), floor($height));
}
// Watermark
if (!empty($watermarkParams) && $watermarkParams['create'] == 1) {
$thumbnailSmall = false;
$thumbnailMedium = false;
$thumbnailLarge = false;
$thumbnailMedium = preg_match("/phoca_thumb_m_/i", $file_out);
$thumbnailLarge = preg_match("/phoca_thumb_l_/i", $file_out);
$fileName = PhocaGalleryHelper::getTitleFromFilenameWithExt($file_in);
// Which Watermark will be used
if ($thumbnailMedium) {
$fileWatermark = str_replace($fileName, 'watermark-medium.png', $file_in);
} else {
if ($thumbnailLarge) {
$fileWatermark = str_replace($fileName, 'watermark-large.png', $file_in);
} else {
$fileWatermark = '';
}
}
if (!file_exists($fileWatermark)) {
$fileWatermark = '';
}
if ($fileWatermark != '') {
list($wW, $hW, $typeW) = GetImageSize($fileWatermark);
switch ($watermarkParams['x']) {
case 'left':
$locationX = 0;
break;
case 'right':
$locationX = $dst[2] - $wW;
break;
case 'center':
default:
$locationX = $dst[2] / 2 - $wW / 2;
break;
}
switch ($watermarkParams['y']) {
case 'top':
$locationY = 0;
break;
case 'bottom':
$locationY = $dst[3] - $hW;
break;
case 'middle':
default:
$locationY = $dst[3] / 2 - $hW / 2;
break;
}
}
} else {
$fileWatermark = '';
}
}
if ($memory < 50) {
ini_set('memory_limit', '50M');
$memoryLimitChanged = 1;
}
// Resampling
// in file
// Watemark
if ($fileWatermark != '') {
if (!function_exists('ImageCreateFromPNG')) {
return 'ErrorNoPNGFunction';
}
$waterImage1 = ImageCreateFromPNG($fileWatermark);
}
// End Watermark
switch ($type) {
case IMAGETYPE_JPEG:
if (!function_exists('ImageCreateFromJPEG')) {
return 'ErrorNoJPGFunction';
}
$image1 = ImageCreateFromJPEG($file_in);
break;
case IMAGETYPE_PNG:
if (!function_exists('ImageCreateFromPNG')) {
return 'ErrorNoPNGFunction';
}
$image1 = ImageCreateFromPNG($file_in);
break;
case IMAGETYPE_GIF:
if (!function_exists('ImageCreateFromGIF')) {
return 'ErrorNoGIFFunction';
}
$image1 = ImageCreateFromGIF($file_in);
break;
case IMAGETYPE_WBMP:
if (!function_exists('ImageCreateFromWBMP')) {
return 'ErrorNoWBMPFunction';
}
$image1 = ImageCreateFromWBMP($file_in);
break;
default:
return 'ErrorNotSupportedImage';
break;
}
if ($image1) {
// protection against invalid image dimensions
/*foreach ($dst as $kdst =>$vdst) {
if ($dst[$kdst] == 0 ) {
$dst[$kdst] = 1;
}
} */
$image2 = @ImageCreateTruecolor($dst[2], $dst[3]);
if (!$image2) {
return 'ErrorNoImageCreateTruecolor';
}
switch ($type) {
case IMAGETYPE_PNG:
//imagealphablending($image1, false);
@imagealphablending($image2, false);
//imagesavealpha($image1, true);
@imagesavealpha($image2, true);
break;
}
ImageCopyResampled($image2, $image1, $dst[0], $dst[1], $src[0], $src[1], $dst[2], $dst[3], $src[2], $src[3]);
// Watermark
if ($fileWatermark != '') {
ImageCopy($image2, $waterImage1, $locationX, $locationY, 0, 0, $wW, $hW);
}
// End Watermark
// display the image
if ($file_out == null) {
header("Content-type: " . image_type_to_mime_type($type_out));
}
// out file
if ($type_out == null) {
// no bitmap
$type_out = $type == IMAGETYPE_WBMP ? IMAGETYPE_PNG : $type;
}
switch ($type_out) {
case IMAGETYPE_JPEG:
if (!function_exists('ImageJPEG')) {
return 'ErrorNoJPGFunction';
}
if (!@ImageJPEG($image2, $file_out, 85)) {
return 'ErrorWriteFile';
}
break;
case IMAGETYPE_PNG:
if (!function_exists('ImagePNG')) {
return 'ErrorNoPNGFunction';
}
if (!@ImagePNG($image2, $file_out)) {
return 'ErrorWriteFile';
}
break;
case IMAGETYPE_GIF:
if (!function_exists('ImageGIF')) {
return 'ErrorNoGIFFunction';
}
if (!@ImageGIF($image2, $file_out)) {
return 'ErrorWriteFile';
}
break;
default:
return 'ErrorNotSupportedImage';
break;
}
// free memory
ImageDestroy($image1);
ImageDestroy($image2);
if (isset($waterImage1)) {
ImageDestroy($waterImage1);
}
if ($memoryLimitChanged == 1) {
$memoryString = $memory . 'M';
ini_set('memory_limit', $memoryString);
}
return 'Success';
// Success
} else {
return 'Error1';
}
if ($memoryLimitChanged == 1) {
$memoryString = $memory . 'M';
ini_set('memory_limit', $memoryString);
}
}
return 'Error2';
}
function display($tpl = null)
{
$document =& JFactory::getDocument();
$image_info = GetImageSize($this->filename);
$memoryLimitChanged = 0;
$memory = (int) ini_get('memory_limit');
$memory = $memory == 0 ? 8 : $memory;
if ($memory < 50) {
ini_set('memory_limit', '64M');
$memoryLimitChanged = 1;
}
// Content type
$document->setMimeEncoding((string) $image_info['mime']);
$this->assign('imgtype', $image_info[2]);
$ratio_cropped = $this->w / $this->h;
if ($this->maxwidth / $this->maxheight > $ratio_cropped) {
$this->maxwidth = $this->maxheight * $ratio_cropped;
} else {
$this->maxheight = $this->maxwidth / $ratio_cropped;
}
/* echo '<pre>'.print_r($image_info, true).'</pre>';
echo '<br />From file: '.$this->filename;
echo '<br />Horiz Offest(x): '.$this->x;
echo '<br />Vert Offest(y): '.$this->y;
echo '<br />Maxwidth: '.$this->maxwidth;
echo '<br />Maxheight: '.$this->maxheight; ,
die;*/
switch ($this->imgtype) {
case IMAGETYPE_JPEG:
// Load
$src = @ImageCreateFromJPEG($this->filename);
$img = @ImageCreateTruecolor($this->maxwidth, $this->maxheight);
// Resize cropped
imagecopyresampled($img, $src, 0, 0, $this->x, $this->y, $this->maxwidth, $this->maxheight, $this->w, $this->h);
// Output
@ImageJPEG($img, null, 100);
break;
case IMAGETYPE_GIF:
$src = @ImageCreateFromGIF($this->filename);
$transp_index = imagecolortransparent($src);
$img = @ImageCreateTruecolor($this->maxwidth, $this->maxheight);
if ($transp_index >= 0) {
// Get the original image's transparent color's RGB values
$transp_color = imagecolorsforindex($src, $transp_index);
// Allocate the same color in the new image resource
$trans_index = imagecolorallocate($img, $transp_color['red'], $transp_color['green'], $transp_color['blue']);
// Completely fill the background of the new image with allocated color.
imagefill($img, 0, 0, $transp_index);
// Set the background color for new image to transparent
imagecolortransparent($img, $transp_index);
}
imagecopyresampled($img, $src, 0, 0, $this->x, $this->y, $this->maxwidth, $this->maxheight, $this->w, $this->h);
@ImageGIF($img, null, 100);
break;
case IMAGETYPE_PNG:
$src = @ImageCreateFromPNG($this->filename);
$transp_index = imagecolortransparent($src);
$img = @ImageCreateTruecolor($this->maxwidth, $this->maxheight);
// Turn off transparency blending (temporarily)
imagealphablending($img, false);
// Create a new transparent color for image
$color = imagecolorallocatealpha($img, 0, 0, 0, 127);
// Completely fill the background of the new image with allocated color.
imagefill($img, 0, 0, $color);
// Restore transparency blending
imagesavealpha($img, true);
imagecopyresampled($img, $src, 0, 0, $this->x, $this->y, $this->maxwidth, $this->maxheight, $this->w, $this->h);
@ImagePNG($img, null, 9);
break;
default:
break;
}
imagedestroy($src);
imagedestroy($img);
if ($memoryLimitChanged == 1) {
$memoryString = $memory . 'M';
ini_set('memory_limit', $memoryString);
}
}
/**
* create image and draw string using GD
*
* @author Won-Kyu Park <*****@*****.**>
* @since 2013/12/24
* @license GPLv2
*/
function image_msg($font_size, $font_face, $text, $width = 40)
{
$wrap = wordwrap($text, $width, "\n", true);
$wrap = rtrim($wrap);
$strs = explode("\n", $wrap);
if (empty($font_face)) {
$w = imagefontwidth($font_size) * $width;
$dy = imagefontheight($font_size);
$h = $dy * count($strs);
$im = ImageCreate($w, $h);
$y = 0;
} else {
putenv('GDFONTPATH=' . getcwd() . '/data');
$w = 0;
$h = 0;
foreach ($strs as $str) {
$bbox = imagettfbbox($font_size, 0, $font_face, $str);
if ($bbox[2] > $w) {
$w = $bbox[2];
}
$h += $bbox[3] - $bbox[5];
}
$dy = $bbox[3] - $bbox[5];
$h = $dy * count($strs);
$im = ImageCreateTruecolor($w, $h);
$y = $dy;
}
$bg = ImageColorAllocate($im, 255, 255, 255);
// white background
$pen = ImageColorAllocate($im, 0, 0, 0);
// black
imagefill($im, 0, 0, $bg);
foreach ($strs as $str) {
if (empty($font_face)) {
ImageString($im, $font_size, 0, $y, $str, 1);
} else {
ImageTtfText($im, $font_size, 0, 0, $y, $pen, $font_face, $str);
}
$y += $dy;
}
return $im;
}
<?php
$im = ImageCreateTruecolor(300, 256);
for ($r = 0; $r < 256; $r++) {
$col = ImageColorAllocate($im, $r, 0, 0);
ImageLine($im, 0, $r, 100, $r, $col);
}
for ($g = 0; $g < 256; $g++) {
$col = ImageColorAllocate($im, 0, $g, 0);
ImageLine($im, 100, 255 - $g, 200, 255 - $g, $col);
}
for ($b = 0; $b < 256; $b++) {
$col = ImageColorAllocate($im, 0, 0, $b);
ImageLine($im, 200, $b, 300, $b, $col);
}
Header('Content-Type: image/png');
ImagePNG($im);